[  517.662739] bond0: (slave eth0): making interface the new active one
[  517.662835] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.869092] bond0: (slave eth0): Releasing backup interface
[  521.943318] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.103417] bond0: (slave eth0): Releasing backup interface
[  526.135752] bond0 (unregistering): Released all slaves